CN203515553U - Logging signal processing circuit and logging device - Google Patents
Logging signal processing circuit and logging device Download PDFInfo
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- CN203515553U CN203515553U CN201320651208.0U CN201320651208U CN203515553U CN 203515553 U CN203515553 U CN 203515553U CN 201320651208 U CN201320651208 U CN 201320651208U CN 203515553 U CN203515553 U CN 203515553U
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Abstract
The utility model discloses a logging signal processing circuit and a logging device. The logging signal processing circuit comprises a main control acquisition circuit used for acquiring and storing a logging signal, a power supply circuit connected with the main control acquisition circuit and used for filtering initial electric energy to obtain a power supply electric energy, and supplying power to the main control acquisition circuit by the power supply electric energy. According to the logging signal processing circuit and the logging device disclosed by the utility model, the problems of high logging difficulty and low safety of large-displacement horizontal wells in the prior art are solved, and the effect of safely and stably logging complex well sections is realized.
Description
Technical field
The utility model relates to oil reservoir logging field, in particular to a kind of logging signal treatment circuit and logging equipment.
Background technology
Conventional variable-density well logging instrument is generally used wireline logging mode, be mainly used in the inclined shaft that peupendicular hole and hole deviation are less, cannot adapt to Holes of Complicated Wells section and net horizontal section, the danger that wireline logging exists cable to break simultaneously, along with oil field Holes of Complicated Wells, extended horizontal well is more and more, oil field user requires also more and more higher to the safety of logger and convenience, conventional variable-density well logging instrument cannot satisfy the demands, there is in the market the crawl device of use to drag the mode that downhole cartridge carries out horizontal wellbore logging, due to crawl device complex structure, technology is not mature enough, use cost is high, logging effect is general.
For above-mentioned extended horizontal well well logging difficulty, the high and low problem of safety, not yet proposes effective solution at present.
Utility model content
The utility model embodiment provides a kind of logging signal treatment circuit and logging equipment, at least to solve the technical problem of the low problem of extended horizontal well well logging difficulty height and safety.
According to the utility model embodiment aspect, a kind of logging signal treatment circuit is provided, comprising: master control Acquisition Circuit, for gathering and storage logging signal; Power circuit, is connected with master control Acquisition Circuit, for initial power is carried out to filtering, obtains the electric energy of powering, and uses power supply electric energy for the power supply of master control Acquisition Circuit.
Further, logging signal treatment circuit also comprises: signal amplification circuit, be connected with master control Acquisition Circuit, and for being carried out to different gain amplifiers, primary signal obtains one or more logging signals.
Further, signal amplification circuit also comprises: sound width and variable density signal processing circuit, be connected between sonic probe and master control Acquisition Circuit, for the original sound width of sonic probe output and variable density signal are carried out to transformer coupling, obtain two-way sound width and variable density log signal; Magnetic locating signal treatment circuit, is connected between magnetic locating signal pipe nipple and master control Acquisition Circuit, for the original magnetic locating signal of magnetic locating signal pipe nipple output is amplified and obtains two-way magnetic orientation logging signal.
Further, signal amplification circuit also comprises: pressure signal processing circuit, comprising: power driving circuit, be connected between pressure reference source and pressure probe, for a reference source in pressure reference source is amplified and power drive after power for pressure probe; Pressure signal amplifying circuit, is connected between pressure probe and master control Acquisition Circuit, for the pressure signal of pressure probe is amplified and obtains pressure detection well signal.
Further, master control Acquisition Circuit comprises: Acquisition Circuit, is connected with signal amplification circuit, for gathering logging signal; Memory circuit, is connected with Acquisition Circuit, for storing logging signal.
Further, logging signal treatment circuit also comprises: gamma treatment circuit, be connected between gamma detector and master control Acquisition Circuit, be used to gamma detector power supply, and will to original gamma signal amplifies with shaping after be delivered to master control Acquisition Circuit.
Further, master control Acquisition Circuit also comprises: sound wave controlled circuit; Logging signal treatment circuit also comprises: sonic wave transmitting circuit, is connected with sonic probe with sound wave controlled circuit respectively, for controlling sonic probe emission detection signal; Sound wave controlled circuit is used for driving sound wave controlled circuit; Transmitting high-voltage power circuit, is connected with sonic wave transmitting circuit, for generation of acoustic emission high pressure.
Further, master control Acquisition Circuit also comprises: communicating circuit, and for logging signal is sent to external equipment.
Further, communicating circuit is connected with external equipment by CAN interface and/or USB interface.
According to the utility model embodiment aspect, a kind of logging equipment is provided, comprising: logging signal treatment circuit.
In the utility model embodiment, by master control Acquisition Circuit, gather and store logging signal, thereby complete collection and the storage of cased well cementing quality information, power circuit carries out filtering to initial power and obtains the electric energy of powering, and can guarantee the stability of power supply.Adopt above-described embodiment of the present utility model without cable, adopt drilling tool to carry, construction is smooth, Risk Reduction, and equipment investment minimizing, and cost of production reduces; In addition, construction is simple, and the well logging constructor quantity needing reduces, and personnel labor intensity reduces, and construction cost reduces.By the utility model, solved extended horizontal well well logging difficulty height and the low problem of safety in prior art, realized safe, the stable effect to the well logging of Holes of Complicated Wells section.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms the application's a part, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is according to the structural representation of the logging signal treatment circuit of the utility model embodiment; And
Fig. 2 is according to the schematic diagram of a kind of optional logging signal treatment circuit of the utility model embodiment.
The specific embodiment
In order to make those skilled in the art person understand better the utility model scheme, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all should belong to the scope of the utility model protection.
It should be noted that, the term " first " in manual of the present utility model and claims and above-mentioned accompanying drawing, " second " etc. are for distinguishing similar object, and needn't be for describing specific order or precedence.The data that should be appreciated that such use suitably can exchanged in situation, so as embodiment of the present utility model described herein can with except diagram here or describe those order enforcement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, for example, those steps or unit that the process that has comprised series of steps or unit, method, system, product or equipment are not necessarily limited to clearly list, but can comprise clearly do not list or for these processes, method, product or equipment intrinsic other step or unit.
Fig. 1 is according to the structural representation of the logging signal treatment circuit of the utility model embodiment; Fig. 2 is according to the schematic diagram of a kind of optional logging signal treatment circuit of the utility model embodiment.As depicted in figs. 1 and 2, this logging signal treatment circuit can comprise: master control Acquisition Circuit 30, for gathering and storage logging signal; Power circuit 50, is connected with master control Acquisition Circuit, for initial power is carried out to filtering, obtains the electric energy of powering, and uses power supply electric energy for master control Acquisition Circuit and signal amplification circuit power supply.
Adopt the utility model, by the logging signal of the collection of master control Acquisition Circuit and storage signal logging signal, thereby complete collection and the storage of cased well cementing quality information, make the measurement of Holes of Complicated Wells section reliable, power circuit carries out filtering to initial power and obtains the electric energy of powering, and can guarantee the stability of power supply.Adopt above-described embodiment of the present utility model without use cable, adopt drilling tool to carry, construction is smooth, Risk Reduction, and equipment investment minimizing, and cost of production reduces; In addition, construction is simple, and the well logging constructor quantity needing reduces, and personnel labor intensity reduces, and construction cost reduces.By the utility model, solved extended horizontal well well logging difficulty height and the low problem of safety in prior art, realized safe, the stable effect to the well logging of Holes of Complicated Wells section.
Wherein particularly; the power supply electric energy that the power supply that power circuit 50 transmits battery unit (being initial power) obtains after power inductance and capacitor filtering is added to power input; thereby not only protected battery unit but also can guarantee that sonic probe T-time battery supply voltage is unaffected, thereby guaranteed the stability of logging well.
In above-mentioned enforcement of the present invention, logging signal treatment circuit can also comprise: signal amplification circuit 10, obtains one or more logging signals for primary signal is carried out to different amplifications.In the above embodiment of the present invention, the amplification that signal amplification circuit carries out different gains by primary signal obtains one or more logging signal and goes for the certainty of measurement requirement to well logging under different measuring environment.
In Fig. 2, signal amplification circuit 10 can also comprise: sound width and variable density signal processing circuit 11, be connected between sonic probe 300 and master control Acquisition Circuit 30, for the original sound width of sonic probe output and variable density signal are carried out to transformer coupling, amplify and obtain two-way sound width and variable density log signal; Magnetic locating signal treatment circuit 13, is connected between magnetic locating signal pipe nipple (not shown) and master control Acquisition Circuit 30, for the original magnetic locating signal of magnetic locating signal pipe nipple output is amplified and obtains two-way magnetic orientation logging signal.
Particularly, sound width and variable density signal processing circuit 11 can be divided into the primary signal of sonic probe 300 output amplification that two-way carries out different gains after transformer coupling follow after, send into that master control Acquisition Circuit gathers and data are stored; Magnetic locating signal treatment circuit can, by the primary signal of magnetic orientation pipe nipple output after the amplification filtering of two kinds of gains, be sent into master control Acquisition Circuit and gather and data storage.At the sonic probe 300 shown in Fig. 2, there is the accuracy that two-way exports to guarantee signal, particularly, by receiving crystal 303 and the 305 original sound width of output and variable density signals.Wherein, original sound width and variable density signal can be two kinds of signals in this embodiment: original sound width signal and original variable density signal.
In above-described embodiment of the present utility model, sound width signal, variable density signal, magnetic locating signal adopt respectively double channels acquisition, and circuit adopts double copies to the primary signal of obtaining, and guarantees product reliability, improves disposable success log ratio.
In above-described embodiment of the present utility model, signal amplification circuit 10 can also comprise: pressure signal processing circuit 15, can comprise: power driving circuit (not shown in Fig. 2), be connected between pressure reference source (not shown in Fig. 2) and pressure probe (not shown in Fig. 2), for a reference source in pressure reference source is amplified and power drive after power for pressure probe; Pressure signal amplifying circuit (not shown in Fig. 2), is connected between pressure probe (not shown in Fig. 2) and master control Acquisition Circuit 30, for the pressure signal of pressure probe is amplified and obtains pressure detection well signal.
Particularly, for guaranteeing pressure measurement accuracy, adopt power driving circuit to amplify a reference source and power drive after power for pressure probe, and after the pressure signal of generation being amplified by pressure signal amplifying circuit, send into master control Acquisition Circuit and gather with data and store.
Adopt above-described embodiment of the present utility model can the employing time to start and pressure-activated (realizing by master control Acquisition Circuit) two kinds of mode of operations are guaranteed instrument startup work, the stability of logging equipment in assurance measuring process.
In above-described embodiment of the present utility model, master control Acquisition Circuit 30 can comprise: Acquisition Circuit 31, is connected with signal amplification circuit, for gathering logging signal; Memory circuit 33, is connected with Acquisition Circuit 31, for storing logging signal.
In above-described embodiment of the present utility model, logging signal treatment circuit 100 can also comprise: gamma detector 71, for gathering original gamma signal; Gamma treatment circuit 73, is connected between gamma detector and master control Acquisition Circuit, is used to gamma detector power supply, and will to original gamma signal amplifies with shaping after be delivered to master control Acquisition Circuit.In Fig. 2, also show gamma high-tension circuit 75, gamma high-tension circuit 75 is also used to gamma detector 71 power supplies.
Particularly, gamma treatment circuit carries out negative high voltage power supply to the photomultiplier of gamma detector, and the processing such as the gamma primary signal that gamma detector is transmitted is amplified, signal discriminating, shaping, and the signal after processing is delivered to master control Acquisition Circuit.Wherein, the signal after processing can be gamma logging signal.
According to above-described embodiment of the present utility model, master control Acquisition Circuit 30 can also comprise: sound wave controlled circuit (not shown); Logging signal treatment circuit also comprises: sonic wave transmitting circuit 93, be connected with sonic probe 300 with sound wave controlled circuit respectively, and for controlling sonic probe emission detection signal, sound wave controlled circuit is used for driving sound wave controlled circuit; Transmitting high-voltage power circuit 91, is connected with sonic wave transmitting circuit 93, for generation of acoustic emission high pressure.
Particularly, sonic wave transmitting circuit 93 can be charged for storage capacitor, and transmitting transducer (being also the transmitting crystal 301 shown in Fig. 2) the emission detection signal that can control sonic probe, makes sonic probe provide original sound width signal and original variable density signal to logging signal treatment circuit.
By above-described embodiment of the present utility model, master control Acquisition Circuit 30 can be carried out Real-time Collection and data storage to the magnetic orientation logging signal of processing, pressure detection well signal, sound width and variable density log signal, gamma logging signal.
In above-described embodiment of the present utility model, master control Acquisition Circuit 30 can also comprise: communicating circuit 35, and for logging signal is sent to external equipment.Particularly, communicating circuit is connected with external equipment by CAN interface and/or USB interface.
Particularly, for the data downloading mode of the logging signal of the collection of master control Acquisition Circuit and storage, can adopt USB communication and two kinds of modes of CAN communication, guarantee that data download accuracy.
According to the utility model embodiment aspect, a kind of logging equipment is provided, comprising: logging signal treatment circuit.
Adopt the utility model, logging signal treatment circuit adopts drilling tool to carry in during well logging, and does not need cable transmission.Variable density downhole cartridge circuit pipe nipple (being logging signal treatment circuit) is processed, gathers and store the sound width signal, variable density signal, gamma signal, magnetic locating signal and the down-hole pressure signal that receive in well logging.The utility model above-described embodiment adopts drilling tool to carry, master control Acquisition Circuit adopts two-way collection and save data, do not need cable transmission, not only construction is smooth, risk is low, and can under the prerequisite that greatly reduces production and construction cost, accurately obtain safely log data, solved oil field Holes of Complicated Wells, extended horizontal well well logging difficulty high, the problem having a big risk.
From above description, can find out, the utility model has been realized following technique effect: adopt the utility model above-described embodiment, in during well logging, adopt drilling tool to carry, variable density downhole cartridge circuit pipe nipple (being logging signal treatment circuit) is processed, gathers and store the sound width signal, variable density signal, gamma signal, magnetic locating signal and the down-hole pressure signal that receive in well logging.The utility model above-described embodiment adopts drilling tool to carry, master control Acquisition Circuit adopts two-way collection and save data, do not need cable transmission, not only construction is smooth, risk is low, and can under the prerequisite that greatly reduces production and construction cost, accurately obtain safely log data, solved oil field Holes of Complicated Wells, extended horizontal well well logging difficulty high, the problem having a big risk.
The claimed controller of the application and each assembly that forms this controller are all a kind of entity products that has definite shape, constructs and occupy certain space.For example, microprocessor, signal processor, sub-processor etc. are all can computer equipment, terminal or server independent operating, that have particular hardware structure.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a logging signal treatment circuit, is characterized in that, comprising:
Master control Acquisition Circuit, for gathering and storage logging signal;
Power circuit, is connected with described master control Acquisition Circuit, for initial power is carried out to filtering, obtains the electric energy of powering, and to use described power supply electric energy be the power supply of described master control Acquisition Circuit.
2. logging signal treatment circuit according to claim 1, is characterized in that, described logging signal treatment circuit also comprises:
Signal amplification circuit, is connected with described master control Acquisition Circuit, for primary signal being carried out to different gain amplifiers, obtains one or more described logging signals.
3. logging signal treatment circuit according to claim 2, is characterized in that, described signal amplification circuit comprises:
Sound width and variable density signal processing circuit, be connected between sonic probe and described master control Acquisition Circuit, for the original sound width of described sonic probe output and variable density signal are carried out to transformer coupling, obtains two-way sound width and variable density log signal;
Magnetic locating signal treatment circuit, is connected between magnetic locating signal pipe nipple and described master control Acquisition Circuit, for the original magnetic locating signal of described magnetic locating signal pipe nipple output is amplified and obtains two-way magnetic orientation logging signal.
4. logging signal treatment circuit according to claim 2, is characterized in that, described signal amplification circuit also comprises:
Pressure signal processing circuit, comprising:
Power driving circuit, is connected between pressure reference source and pressure probe, for a reference source in pressure reference source is amplified and power drive after be the power supply of described pressure probe;
Pressure signal amplifying circuit, is connected between described pressure probe and described master control Acquisition Circuit, for the pressure signal of described pressure probe is amplified and obtains pressure detection well signal.
5. logging signal treatment circuit according to claim 2, is characterized in that, described master control Acquisition Circuit comprises:
Acquisition Circuit, is connected with described signal amplification circuit, for gathering described logging signal;
Memory circuit, is connected with described Acquisition Circuit, for storing described logging signal.
6. logging signal treatment circuit according to claim 1, is characterized in that, described logging signal treatment circuit also comprises:
Gamma detector, for gathering original gamma signal;
Gamma treatment circuit, is connected between described gamma detector and described master control Acquisition Circuit, is used to the power supply of described gamma detector, and will to described original gamma signal amplifies with shaping after be delivered to described master control Acquisition Circuit.
7. logging signal treatment circuit according to claim 1, is characterized in that,
Described master control Acquisition Circuit also comprises: sound wave controlled circuit;
Described logging signal treatment circuit also comprises: sonic wave transmitting circuit, is connected with sonic probe with described sound wave controlled circuit respectively, for controlling described sonic probe emission detection signal; Described sound wave controlled circuit is used for driving described sound wave controlled circuit;
Transmitting high-voltage power circuit, is connected with described sonic wave transmitting circuit, for generation of acoustic emission high pressure.
8. logging signal treatment circuit according to claim 1, is characterized in that, described master control Acquisition Circuit also comprises: communicating circuit, and for described logging signal is sent to external equipment.
9. logging signal treatment circuit according to claim 8, is characterized in that, described communicating circuit is connected with described external equipment by CAN interface and/or USB interface.
10. a logging equipment, is characterized in that, comprising: the logging signal treatment circuit in claim 1 to 9 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651208.0U CN203515553U (en) | 2013-10-21 | 2013-10-21 | Logging signal processing circuit and logging device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320651208.0U CN203515553U (en) | 2013-10-21 | 2013-10-21 | Logging signal processing circuit and logging device |
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| CN203515553U true CN203515553U (en) | 2014-04-02 |
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| CN201320651208.0U Expired - Fee Related CN203515553U (en) | 2013-10-21 | 2013-10-21 | Logging signal processing circuit and logging device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291746A (en) * | 2015-05-22 | 2017-01-04 | 北京环鼎科技有限责任公司 | Cable stores double mode well logging apparatus and method |
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- 2013-10-21 CN CN201320651208.0U patent/CN203515553U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291746A (en) * | 2015-05-22 | 2017-01-04 | 北京环鼎科技有限责任公司 | Cable stores double mode well logging apparatus and method |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20211021 |